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NK0728-1L1 — PLUG,LEAKPROOF SEAL

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

NK0728-1L1: PLUG,LEAKPROOF SEAL.

The PLUG,LEAKPROOF SEAL is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING, part_name_assigned_by_controlling_agency: PLUG. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-596-6729, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
NK0728-1L1
NSN: 5340-01-596-6729
FSC: 5340 — Hardware, Commercial
CAGE: 8FGX3 — CURTISS-WRIGHT ELECTRO-MECHANICAL CORP DBA STEAM & AIR SOLUTIONS DIV CURTISS-WRIGHT STEAM AND AIR SOLUTIONS (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING
part_name_assigned_by_controlling_agencyPLUG
NSN5340-01-596-6729
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: NK0728-1L1 MFR: OEM ⚠ VERIFY BEFORE ORDERING Wrong material = failure. Viton for oil/fuel, EPDM for water/steam, Buna-N for general purpose, Silicone for food-grade. Chemical incompatibility causes swelling, brittleness, or rapid degradation ✓ BROKER TIP Durometer (hardness) affects sealing pressure tolerance. Higher Shore A = harder = higher pressure. Standard durometer is 70A — verify if application requires different hardness PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
MATERIAL: STEEL CORROSION RESISTING
TECHNICAL CHARACTERISTICS
PART NAME ASSIGNED BY CONTROLLING AGENCYPLUG
MATERIALSTEEL CORROSION RESISTING
OTHER ITEMS IN FSC 5340 — Hardware, Commercial
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5340-00-000-0068 5340-00-000-0132 5340-00-000-8150 5340-00-001-1251 5340-00-001-1264 5340-00-001-1265 5340-00-001-1266 5340-00-001-1275
SUBSTITUTES & CROSS-REFERENCES 3
NK728-1LIReference document
Same NSN cross-reference
Reference document — Design control — primary reference
NP-722PC12Reference document
Same NSN cross-reference
Reference document — Secondary reference
NK728-1L1Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is NK0728-1L1?
NK0728-1L1 is a PLUG,LEAKPROOF SEAL.
What parts can replace NK0728-1L1?
There are 3 known substitutes for NK0728-1L1: NK728-1LI, NP-722PC12, NK728-1L1. Substitute compatibility should be verified for your specific system.
What is the NSN for NK0728-1L1?
NK0728-1L1 is cataloged in the U.S. Government catalog under NSN 5340-01-596-6729. This indicates validated use in U.S. government and defense supply chains.
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